Roger Merritt, to further narrow this down, could you please test the latest mainline kernel (4.7-rc6) following https://wiki.ubuntu.com/Kernel/MainlineBuilds and advise to the results?
Roger Merritt, to further narrow this down, could you please test the latest mainline kernel (4.7-rc6) following https:/ /wiki.ubuntu. com/Kernel/ MainlineBuilds and advise to the results?